##########################################################################/
+'''Generate code to dump most GL state into JSON.'''
+
+
from stdapi import *
-from glenum import GLenum
-
-
-
-I = Int
-F = Float
-
-parameters = [
- (F, 1, "GL_POINT_SIZE"), # 0x0B11
- (F, 2, "GL_POINT_SIZE_RANGE"), # 0x0B12
- (F, 1, "GL_POINT_SIZE_GRANULARITY"), # 0x0B13
- (I, 1, "GL_LINE_SMOOTH"), # 0x0B20
- (F, 1, "GL_LINE_WIDTH"), # 0x0B21
- (F, 2, "GL_LINE_WIDTH_RANGE"), # 0x0B22
- (F, 1, "GL_LINE_WIDTH_GRANULARITY"), # 0x0B23
- (I, 1, "GL_POLYGON_SMOOTH"), # 0x0B41
- (I, 1, "GL_CULL_FACE"), # 0x0B44
- (I, 1, "GL_CULL_FACE_MODE"), # 0x0B45
- (I, 1, "GL_FRONT_FACE"), # 0x0B46
- (F, 2, "GL_DEPTH_RANGE"), # 0x0B70
- (I, 1, "GL_DEPTH_TEST"), # 0x0B71
- (I, 1, "GL_DEPTH_WRITEMASK"), # 0x0B72
- (F, 1, "GL_DEPTH_CLEAR_VALUE"), # 0x0B73
- (I, 1, "GL_DEPTH_FUNC"), # 0x0B74
- (I, 1, "GL_STENCIL_TEST"), # 0x0B90
- (I, 1, "GL_STENCIL_CLEAR_VALUE"), # 0x0B91
- (I, 1, "GL_STENCIL_FUNC"), # 0x0B92
- (I, 1, "GL_STENCIL_VALUE_MASK"), # 0x0B93
- (I, 1, "GL_STENCIL_FAIL"), # 0x0B94
- (I, 1, "GL_STENCIL_PASS_DEPTH_FAIL"), # 0x0B95
- (I, 1, "GL_STENCIL_PASS_DEPTH_PASS"), # 0x0B96
- (I, 1, "GL_STENCIL_REF"), # 0x0B97
- (I, 1, "GL_STENCIL_WRITEMASK"), # 0x0B98
- (I, 4, "GL_VIEWPORT"), # 0x0BA2
- (I, 1, "GL_DITHER"), # 0x0BD0
- (I, 1, "GL_BLEND_DST"), # 0x0BE0
- (I, 1, "GL_BLEND_SRC"), # 0x0BE1
- (I, 1, "GL_BLEND"), # 0x0BE2
- (I, 1, "GL_LOGIC_OP_MODE"), # 0x0BF0
- (I, 1, "GL_COLOR_LOGIC_OP"), # 0x0BF2
- (I, 1, "GL_DRAW_BUFFER"), # 0x0C01
- (I, 1, "GL_READ_BUFFER"), # 0x0C02
- (I, 4, "GL_SCISSOR_BOX"), # 0x0C10
- (I, 1, "GL_SCISSOR_TEST"), # 0x0C11
- (F, 4, "GL_COLOR_CLEAR_VALUE"), # 0x0C22
- (I, 4, "GL_COLOR_WRITEMASK"), # 0x0C23
- (I, 1, "GL_DOUBLEBUFFER"), # 0x0C32
- (I, 1, "GL_STEREO"), # 0x0C33
- (I, 1, "GL_LINE_SMOOTH_HINT"), # 0x0C52
- (I, 1, "GL_POLYGON_SMOOTH_HINT"), # 0x0C53
- (I, 1, "GL_UNPACK_SWAP_BYTES"), # 0x0CF0
- (I, 1, "GL_UNPACK_LSB_FIRST"), # 0x0CF1
- (I, 1, "GL_UNPACK_ROW_LENGTH"), # 0x0CF2
- (I, 1, "GL_UNPACK_SKIP_ROWS"), # 0x0CF3
- (I, 1, "GL_UNPACK_SKIP_PIXELS"), # 0x0CF4
- (I, 1, "GL_UNPACK_ALIGNMENT"), # 0x0CF5
- (I, 1, "GL_PACK_SWAP_BYTES"), # 0x0D00
- (I, 1, "GL_PACK_LSB_FIRST"), # 0x0D01
- (I, 1, "GL_PACK_ROW_LENGTH"), # 0x0D02
- (I, 1, "GL_PACK_SKIP_ROWS"), # 0x0D03
- (I, 1, "GL_PACK_SKIP_PIXELS"), # 0x0D04
- (I, 1, "GL_PACK_ALIGNMENT"), # 0x0D05
- (I, 1, "GL_MAX_TEXTURE_SIZE"), # 0x0D33
- (F, 2, "GL_MAX_VIEWPORT_DIMS"), # 0x0D3A
- (I, 1, "GL_SUBPIXEL_BITS"), # 0x0D50
- (I, 1, "GL_TEXTURE_1D"), # 0x0DE0
- (I, 1, "GL_TEXTURE_2D"), # 0x0DE1
- (F, 1, "GL_POLYGON_OFFSET_UNITS"), # 0x2A00
- (I, 1, "GL_POLYGON_OFFSET_POINT"), # 0x2A01
- (I, 1, "GL_POLYGON_OFFSET_LINE"), # 0x2A02
- (I, 1, "GL_POLYGON_OFFSET_FILL"), # 0x8037
- (F, 1, "GL_POLYGON_OFFSET_FACTOR"), # 0x8038
- (I, 1, "GL_TEXTURE_BINDING_1D"), # 0x8068
- (I, 1, "GL_TEXTURE_BINDING_2D"), # 0x8069
- (F, 4, "GL_CURRENT_COLOR"), # 0x0B00
- (F, 1, "GL_CURRENT_INDEX"), # 0x0B01
- (F, 3, "GL_CURRENT_NORMAL"), # 0x0B02
- (F, 4, "GL_CURRENT_TEXTURE_COORDS"), # 0x0B03
- (F, 4, "GL_CURRENT_RASTER_COLOR"), # 0x0B04
- (F, 1, "GL_CURRENT_RASTER_INDEX"), # 0x0B05
- (F, 4, "GL_CURRENT_RASTER_TEXTURE_COORDS"), # 0x0B06
- (F, 4, "GL_CURRENT_RASTER_POSITION"), # 0x0B07
- (I, 1, "GL_CURRENT_RASTER_POSITION_VALID"), # 0x0B08
- (F, 1, "GL_CURRENT_RASTER_DISTANCE"), # 0x0B09
- (I, 1, "GL_POINT_SMOOTH"), # 0x0B10
- (I, 1, "GL_LINE_STIPPLE"), # 0x0B24
- (I, 1, "GL_LINE_STIPPLE_PATTERN"), # 0x0B25
- (I, 1, "GL_LINE_STIPPLE_REPEAT"), # 0x0B26
- (I, 1, "GL_LIST_MODE"), # 0x0B30
- (I, 1, "GL_MAX_LIST_NESTING"), # 0x0B31
- (I, 1, "GL_LIST_BASE"), # 0x0B32
- (I, 1, "GL_LIST_INDEX"), # 0x0B33
- (I, 2, "GL_POLYGON_MODE"), # 0x0B40
- (I, 1, "GL_POLYGON_STIPPLE"), # 0x0B42
- (I, 1, "GL_EDGE_FLAG"), # 0x0B43
- (I, 1, "GL_LIGHTING"), # 0x0B50
- (I, 1, "GL_LIGHT_MODEL_LOCAL_VIEWER"), # 0x0B51
- (I, 1, "GL_LIGHT_MODEL_TWO_SIDE"), # 0x0B52
- (F, 4, "GL_LIGHT_MODEL_AMBIENT"), # 0x0B53
- (I, 1, "GL_SHADE_MODEL"), # 0x0B54
- (I, 1, "GL_COLOR_MATERIAL_FACE"), # 0x0B55
- (I, 1, "GL_COLOR_MATERIAL_PARAMETER"), # 0x0B56
- (I, 1, "GL_COLOR_MATERIAL"), # 0x0B57
- (I, 1, "GL_FOG"), # 0x0B60
- (I, 1, "GL_FOG_INDEX"), # 0x0B61
- (F, 1, "GL_FOG_DENSITY"), # 0x0B62
- (F, 1, "GL_FOG_START"), # 0x0B63
- (F, 1, "GL_FOG_END"), # 0x0B64
- (I, 1, "GL_FOG_MODE"), # 0x0B65
- (F, 4, "GL_FOG_COLOR"), # 0x0B66
- (F, 4, "GL_ACCUM_CLEAR_VALUE"), # 0x0B80
- (I, 1, "GL_MATRIX_MODE"), # 0x0BA0
- (I, 1, "GL_NORMALIZE"), # 0x0BA1
- (I, 1, "GL_MODELVIEW_STACK_DEPTH"), # 0x0BA3
- (I, 1, "GL_PROJECTION_STACK_DEPTH"), # 0x0BA4
- (I, 1, "GL_TEXTURE_STACK_DEPTH"), # 0x0BA5
- (F, 16, "GL_MODELVIEW_MATRIX"), # 0x0BA6
- (F, 16, "GL_PROJECTION_MATRIX"), # 0x0BA7
- (F, 16, "GL_TEXTURE_MATRIX"), # 0x0BA8
- (I, 1, "GL_ATTRIB_STACK_DEPTH"), # 0x0BB0
- (I, 1, "GL_CLIENT_ATTRIB_STACK_DEPTH"), # 0x0BB1
- (I, 1, "GL_ALPHA_TEST"), # 0x0BC0
- (I, 1, "GL_ALPHA_TEST_FUNC"), # 0x0BC1
- (F, 1, "GL_ALPHA_TEST_REF"), # 0x0BC2
- (I, 1, "GL_INDEX_LOGIC_OP"), # 0x0BF1
- (I, 1, "GL_LOGIC_OP"), # 0x0BF1
- (I, 1, "GL_AUX_BUFFERS"), # 0x0C00
- (I, 1, "GL_INDEX_CLEAR_VALUE"), # 0x0C20
- (I, 1, "GL_INDEX_WRITEMASK"), # 0x0C21
- (I, 1, "GL_INDEX_MODE"), # 0x0C30
- (I, 1, "GL_RGBA_MODE"), # 0x0C31
- (I, 1, "GL_RENDER_MODE"), # 0x0C40
- (I, 1, "GL_PERSPECTIVE_CORRECTION_HINT"), # 0x0C50
- (I, 1, "GL_POINT_SMOOTH_HINT"), # 0x0C51
- (I, 1, "GL_FOG_HINT"), # 0x0C54
- (I, 1, "GL_TEXTURE_GEN_S"), # 0x0C60
- (I, 1, "GL_TEXTURE_GEN_T"), # 0x0C61
- (I, 1, "GL_TEXTURE_GEN_R"), # 0x0C62
- (I, 1, "GL_TEXTURE_GEN_Q"), # 0x0C63
- (I, 1, "GL_PIXEL_MAP_I_TO_I_SIZE"), # 0x0CB0
- (I, 1, "GL_PIXEL_MAP_S_TO_S_SIZE"), # 0x0CB1
- (I, 1, "GL_PIXEL_MAP_I_TO_R_SIZE"), # 0x0CB2
- (I, 1, "GL_PIXEL_MAP_I_TO_G_SIZE"), # 0x0CB3
- (I, 1, "GL_PIXEL_MAP_I_TO_B_SIZE"), # 0x0CB4
- (I, 1, "GL_PIXEL_MAP_I_TO_A_SIZE"), # 0x0CB5
- (I, 1, "GL_PIXEL_MAP_R_TO_R_SIZE"), # 0x0CB6
- (I, 1, "GL_PIXEL_MAP_G_TO_G_SIZE"), # 0x0CB7
- (I, 1, "GL_PIXEL_MAP_B_TO_B_SIZE"), # 0x0CB8
- (I, 1, "GL_PIXEL_MAP_A_TO_A_SIZE"), # 0x0CB9
- (I, 1, "GL_MAP_COLOR"), # 0x0D10
- (I, 1, "GL_MAP_STENCIL"), # 0x0D11
- (I, 1, "GL_INDEX_SHIFT"), # 0x0D12
- (I, 1, "GL_INDEX_OFFSET"), # 0x0D13
- (F, 1, "GL_RED_SCALE"), # 0x0D14
- (F, 1, "GL_RED_BIAS"), # 0x0D15
- (F, 1, "GL_ZOOM_X"), # 0x0D16
- (F, 1, "GL_ZOOM_Y"), # 0x0D17
- (F, 1, "GL_GREEN_SCALE"), # 0x0D18
- (F, 1, "GL_GREEN_BIAS"), # 0x0D19
- (F, 1, "GL_BLUE_SCALE"), # 0x0D1A
- (F, 1, "GL_BLUE_BIAS"), # 0x0D1B
- (F, 1, "GL_ALPHA_SCALE"), # 0x0D1C
- (F, 1, "GL_ALPHA_BIAS"), # 0x0D1D
- (F, 1, "GL_DEPTH_SCALE"), # 0x0D1E
- (F, 1, "GL_DEPTH_BIAS"), # 0x0D1F
- (I, 1, "GL_MAX_EVAL_ORDER"), # 0x0D30
- (I, 1, "GL_MAX_LIGHTS"), # 0x0D31
- (I, 1, "GL_MAX_CLIP_PLANES"), # 0x0D32
- (I, 1, "GL_MAX_PIXEL_MAP_TABLE"), # 0x0D34
- (I, 1, "GL_MAX_ATTRIB_STACK_DEPTH"), # 0x0D35
- (I, 1, "GL_MAX_MODELVIEW_STACK_DEPTH"), # 0x0D36
- (I, 1, "GL_MAX_NAME_STACK_DEPTH"), # 0x0D37
- (I, 1, "GL_MAX_PROJECTION_STACK_DEPTH"), # 0x0D38
- (I, 1, "GL_MAX_TEXTURE_STACK_DEPTH"), # 0x0D39
- (I, 1, "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH"), # 0x0D3B
- (I, 1, "GL_INDEX_BITS"), # 0x0D51
- (I, 1, "GL_RED_BITS"), # 0x0D52
- (I, 1, "GL_GREEN_BITS"), # 0x0D53
- (I, 1, "GL_BLUE_BITS"), # 0x0D54
- (I, 1, "GL_ALPHA_BITS"), # 0x0D55
- (I, 1, "GL_DEPTH_BITS"), # 0x0D56
- (I, 1, "GL_STENCIL_BITS"), # 0x0D57
- (I, 1, "GL_ACCUM_RED_BITS"), # 0x0D58
- (I, 1, "GL_ACCUM_GREEN_BITS"), # 0x0D59
- (I, 1, "GL_ACCUM_BLUE_BITS"), # 0x0D5A
- (I, 1, "GL_ACCUM_ALPHA_BITS"), # 0x0D5B
- (I, 1, "GL_NAME_STACK_DEPTH"), # 0x0D70
- (I, 1, "GL_AUTO_NORMAL"), # 0x0D80
- (I, 1, "GL_MAP1_COLOR_4"), # 0x0D90
- (I, 1, "GL_MAP1_INDEX"), # 0x0D91
- (I, 1, "GL_MAP1_NORMAL"), # 0x0D92
- (I, 1, "GL_MAP1_TEXTURE_COORD_1"), # 0x0D93
- (I, 1, "GL_MAP1_TEXTURE_COORD_2"), # 0x0D94
- (I, 1, "GL_MAP1_TEXTURE_COORD_3"), # 0x0D95
- (I, 1, "GL_MAP1_TEXTURE_COORD_4"), # 0x0D96
- (I, 1, "GL_MAP1_VERTEX_3"), # 0x0D97
- (I, 1, "GL_MAP1_VERTEX_4"), # 0x0D98
- (I, 1, "GL_MAP2_COLOR_4"), # 0x0DB0
- (I, 1, "GL_MAP2_INDEX"), # 0x0DB1
- (I, 1, "GL_MAP2_NORMAL"), # 0x0DB2
- (I, 1, "GL_MAP2_TEXTURE_COORD_1"), # 0x0DB3
- (I, 1, "GL_MAP2_TEXTURE_COORD_2"), # 0x0DB4
- (I, 1, "GL_MAP2_TEXTURE_COORD_3"), # 0x0DB5
- (I, 1, "GL_MAP2_TEXTURE_COORD_4"), # 0x0DB6
- (I, 1, "GL_MAP2_VERTEX_3"), # 0x0DB7
- (I, 1, "GL_MAP2_VERTEX_4"), # 0x0DB8
- (F, 2, "GL_MAP1_GRID_DOMAIN"), # 0x0DD0
- (I, 1, "GL_MAP1_GRID_SEGMENTS"), # 0x0DD1
- (F, 4, "GL_MAP2_GRID_DOMAIN"), # 0x0DD2
- (I, 2, "GL_MAP2_GRID_SEGMENTS"), # 0x0DD3
- (I, 1, "GL_FEEDBACK_BUFFER_SIZE"), # 0x0DF1
- (I, 1, "GL_FEEDBACK_BUFFER_TYPE"), # 0x0DF2
- (I, 1, "GL_SELECTION_BUFFER_SIZE"), # 0x0DF4
- (I, 1, "GL_VERTEX_ARRAY"), # 0x8074
- (I, 1, "GL_NORMAL_ARRAY"), # 0x8075
- (I, 1, "GL_COLOR_ARRAY"), # 0x8076
- (I, 1, "GL_INDEX_ARRAY"), # 0x8077
- (I, 1, "GL_TEXTURE_COORD_ARRAY"), # 0x8078
- (I, 1, "GL_EDGE_FLAG_ARRAY"), # 0x8079
- (I, 1, "GL_VERTEX_ARRAY_SIZE"), # 0x807A
- (I, 1, "GL_VERTEX_ARRAY_TYPE"), # 0x807B
- (I, 1, "GL_VERTEX_ARRAY_STRIDE"), # 0x807C
- (I, 1, "GL_NORMAL_ARRAY_TYPE"), # 0x807E
- (I, 1, "GL_NORMAL_ARRAY_STRIDE"), # 0x807F
- (I, 1, "GL_COLOR_ARRAY_SIZE"), # 0x8081
- (I, 1, "GL_COLOR_ARRAY_TYPE"), # 0x8082
- (I, 1, "GL_COLOR_ARRAY_STRIDE"), # 0x8083
- (I, 1, "GL_INDEX_ARRAY_TYPE"), # 0x8085
- (I, 1, "GL_INDEX_ARRAY_STRIDE"), # 0x8086
- (I, 1, "GL_TEXTURE_COORD_ARRAY_SIZE"), # 0x8088
- (I, 1, "GL_TEXTURE_COORD_ARRAY_TYPE"), # 0x8089
- (I, 1, "GL_TEXTURE_COORD_ARRAY_STRIDE"), # 0x808A
- (I, 1, "GL_EDGE_FLAG_ARRAY_STRIDE"), # 0x808C
+from gltypes import *
+from glparams import *
+
+
+texture_targets = [
+ ('GL_TEXTURE_1D', 'GL_TEXTURE_BINDING_1D'),
+ ('GL_TEXTURE_2D', 'GL_TEXTURE_BINDING_2D'),
+ ('GL_TEXTURE_3D', 'GL_TEXTURE_BINDING_3D'),
+ ('GL_TEXTURE_RECTANGLE', 'GL_TEXTURE_BINDING_RECTANGLE'),
+ ('GL_TEXTURE_CUBE_MAP', 'GL_TEXTURE_BINDING_CUBE_MAP')
]
+class GetInflector:
+ '''Objects that describes how to inflect.'''
+
+ reduced_types = {
+ B: I,
+ E: I,
+ I: F,
+ }
+
+ def __init__(self, radical, inflections, suffix = ''):
+ self.radical = radical
+ self.inflections = inflections
+ self.suffix = suffix
+
+ def reduced_type(self, type):
+ if type in self.inflections:
+ return type
+ if type in self.reduced_types:
+ return self.reduced_type(self.reduced_types[type])
+ raise NotImplementedError
+
+ def inflect(self, type):
+ return self.radical + self.inflection(type) + self.suffix
+
+ def inflection(self, type):
+ type = self.reduced_type(type)
+ assert type in self.inflections
+ return self.inflections[type]
+
+ def __str__(self):
+ return self.radical + self.suffix
+
+
+class StateGetter(Visitor):
+ '''Type visitor that is able to extract the state via one of the glGet*
+ functions.
+
+ It will declare any temporary variable
+ '''
+
+ def __init__(self, radical, inflections, suffix=''):
+ self.inflector = GetInflector(radical, inflections)
+ self.suffix = suffix
+
+ def __call__(self, *args):
+ pname = args[-1]
+
+ for function, type, count, name in parameters:
+ if type is X:
+ continue
+ if name == pname:
+ if count != 1:
+ type = Array(type, str(count))
+
+ return type, self.visit(type, args)
+
+ raise NotImplementedError
+
+ def temp_name(self, args):
+ '''Return the name of a temporary variable to hold the state.'''
+ pname = args[-1]
+
+ return pname[3:].lower()
+
+ def visit_const(self, const, args):
+ return self.visit(const.type, args)
+
+ def visit_scalar(self, type, args):
+ temp_name = self.temp_name(args)
+ elem_type = self.inflector.reduced_type(type)
+ inflection = self.inflector.inflect(type)
+ if inflection.endswith('v'):
+ print ' %s %s = 0;' % (elem_type, temp_name)
+ print ' %s(%s, &%s);' % (inflection + self.suffix, ', '.join(args), temp_name)
+ else:
+ print ' %s %s = %s(%s);' % (elem_type, temp_name, inflection + self.suffix, ', '.join(args))
+ return temp_name
+
+ def visit_string(self, string, args):
+ temp_name = self.temp_name(args)
+ inflection = self.inflector.inflect(string)
+ assert not inflection.endswith('v')
+ print ' %s %s = (%s)%s(%s);' % (string, temp_name, string, inflection + self.suffix, ', '.join(args))
+ return temp_name
+
+ def visit_alias(self, alias, args):
+ return self.visit_scalar(alias, args)
+
+ def visit_enum(self, enum, args):
+ return self.visit(GLint, args)
+
+ def visit_bitmask(self, bitmask, args):
+ return self.visit(GLint, args)
+
+ def visit_array(self, array, args):
+ temp_name = self.temp_name(args)
+ if array.length == '1':
+ return self.visit(array.type)
+ elem_type = self.inflector.reduced_type(array.type)
+ inflection = self.inflector.inflect(array.type)
+ assert inflection.endswith('v')
+ print ' %s %s[%s];' % (elem_type, temp_name, array.length)
+ print ' memset(%s, 0, %s * sizeof *%s);' % (temp_name, array.length, temp_name)
+ print ' %s(%s, %s);' % (inflection + self.suffix, ', '.join(args), temp_name)
+ return temp_name
+
+ def visit_opaque(self, pointer, args):
+ temp_name = self.temp_name(args)
+ inflection = self.inflector.inflect(pointer)
+ assert inflection.endswith('v')
+ print ' GLvoid *%s;' % temp_name
+ print ' %s(%s, &%s);' % (inflection + self.suffix, ', '.join(args), temp_name)
+ return temp_name
+
+
+glGet = StateGetter('glGet', {
+ B: 'Booleanv',
+ I: 'Integerv',
+ F: 'Floatv',
+ D: 'Doublev',
+ S: 'String',
+ P: 'Pointerv',
+})
+
+glGetMaterial = StateGetter('glGetMaterial', {I: 'iv', F: 'fv'})
+glGetLight = StateGetter('glGetLight', {I: 'iv', F: 'fv'})
+glGetVertexAttrib = StateGetter('glGetVertexAttrib', {I: 'iv', F: 'fv', D: 'dv', P: 'Pointerv'})
+glGetTexParameter = StateGetter('glGetTexParameter', {I: 'iv', F: 'fv'})
+glGetTexEnv = StateGetter('glGetTexEnv', {I: 'iv', F: 'fv'})
+glGetTexLevelParameter = StateGetter('glGetTexLevelParameter', {I: 'iv', F: 'fv'})
+glGetShader = StateGetter('glGetShaderiv', {I: 'iv'})
+glGetProgram = StateGetter('glGetProgram', {I: 'iv'})
+glGetProgramARB = StateGetter('glGetProgram', {I: 'iv', F: 'fv', S: 'Stringv'}, 'ARB')
+
+
+class JsonWriter(Visitor):
+ '''Type visitor that will dump a value of the specified type through the
+ JSON writer.
+
+ It expects a previously declared JSONWriter instance named "json".'''
+
+ def visit_literal(self, literal, instance):
+ if literal.format == 'Bool':
+ print ' json.writeBool(%s);' % instance
+ elif literal.format in ('SInt', 'Uint', 'Float', 'Double'):
+ print ' json.writeNumber(%s);' % instance
+ else:
+ raise NotImplementedError
+
+ def visit_string(self, string, instance):
+ assert string.length is None
+ print ' json.writeString((const char *)%s);' % instance
+
+ def visit_enum(self, enum, instance):
+ if enum.expr == 'GLenum':
+ print ' dumpEnum(json, %s);' % instance
+ else:
+ print ' json.writeNumber(%s);' % instance
+
+ def visit_bitmask(self, bitmask, instance):
+ raise NotImplementedError
+
+ def visit_alias(self, alias, instance):
+ self.visit(alias.type, instance)
+
+ def visit_opaque(self, opaque, instance):
+ print ' json.writeNumber((size_t)%s);' % instance
+
+ __index = 0
+
+ def visit_array(self, array, instance):
+ index = '__i%u' % JsonWriter.__index
+ JsonWriter.__index += 1
+ print ' json.beginArray();'
+ print ' for (unsigned %s = 0; %s < %s; ++%s) {' % (index, index, array.length, index)
+ self.visit(array.type, '%s[%s]' % (instance, index))
+ print ' }'
+ print ' json.endArray();'
+
+
+
class StateDumper:
+ '''Class to generate code to dump all GL state in JSON format via
+ stdout.'''
def __init__(self):
- self.level = 0
+ pass
def dump(self):
print '#include <string.h>'
print
print '#include "json.hpp"'
- print '#include "glimports.hpp"'
+ print '#include "glproc.hpp"'
+ print '#include "glsize.hpp"'
print '#include "glstate.hpp"'
print
- print 'void state_dump(std::ostream &os)'
+ print 'namespace glstate {'
+ print
+
+ print 'const char *'
+ print 'enumToString(GLenum pname)'
print '{'
- print ' JSONWriter json(os);'
- self.dump_parameters()
+ print ' switch(pname) {'
+ for name in GLenum.values:
+ print ' case %s:' % name
+ print ' return "%s";' % name
+ print ' default:'
+ print ' return NULL;'
+ print ' }'
+ print '}'
+ print
+ print 'void'
+ print 'dumpEnum(JSONWriter &json, GLenum pname)'
+ print '{'
+ print ' const char *s = enumToString(pname);'
+ print ' if (s) {'
+ print ' json.writeString(s);'
+ print ' } else {'
+ print ' json.writeNumber(pname);'
+ print ' }'
print '}'
print
- def dump_parameters(self):
- print ' GLint iparams[16];'
- print ' GLfloat fparams[16];'
+ print 'void dumpParameters(JSONWriter &json)'
+ print '{'
print ' json.beginMember("parameters");'
print ' json.beginObject();'
- for type, count, name in parameters:
- print ' json.beginMember("%s");' % name
- if type is I:
- print ' memset(iparams, 0, %u * sizeof *iparams);' % count
- print ' glGetIntegerv(%s, iparams);' % name
- if count == 1:
- print ' json.writeNumber(iparams[0]);'
- else:
- print ' json.beginArray();'
- for i in range(count):
- print ' json.writeNumber(iparams[%u]);' % i
- print ' json.endArray();'
- else:
- print ' memset(fparams, 0, %u * sizeof *fparams);' % count
- print ' glGetFloatv(%s, fparams);' % name
- if count == 1:
- print ' json.writeNumber(fparams[0]);'
- else:
- print ' json.beginArray();'
- for i in range(count):
- print ' json.writeNumber(fparams[%u]);' % i
- print ' json.endArray();'
- print ' json.endMember();'
+
+ self.dump_atoms(glGet)
+
+ self.dump_material_params()
+ self.dump_light_params()
+ self.dump_vertex_attribs()
+ self.dump_texenv_params()
+ self.dump_program_params()
+ self.dump_texture_parameters()
+
print ' json.endObject();'
print ' json.endMember(); // parameters'
+ print '}'
print
-
- def write_line(s):
- self.write(' '*self.level + s + '\n')
+
+ print '} /*namespace glstate */'
- def write(self, s):
- sys.stdout.write(s)
+ def dump_material_params(self):
+ for face in ['GL_FRONT', 'GL_BACK']:
+ print ' json.beginMember("%s");' % face
+ print ' json.beginObject();'
+ self.dump_atoms(glGetMaterial, face)
+ print ' json.endObject();'
+ print
- def indent(self):
- self.level += 1
+ def dump_light_params(self):
+ print ' GLint max_lights = 0;'
+ print ' __glGetIntegerv(GL_MAX_LIGHTS, &max_lights);'
+ print ' for (GLint index = 0; index < max_lights; ++index) {'
+ print ' GLenum light = GL_LIGHT0 + index;'
+ print ' if (glIsEnabled(light)) {'
+ print ' char name[32];'
+ print ' snprintf(name, sizeof name, "GL_LIGHT%i", index);'
+ print ' json.beginMember(name);'
+ print ' json.beginObject();'
+ self.dump_atoms(glGetLight, ' GL_LIGHT0 + index')
+ print ' json.endObject();'
+ print ' json.endMember(); // GL_LIGHTi'
+ print ' }'
+ print ' }'
+ print
- def dedent(self):
- self.level -= 1
+ def dump_texenv_params(self):
+ for target in ['GL_TEXTURE_ENV', 'GL_TEXTURE_FILTER_CONTROL', 'GL_POINT_SPRITE']:
+ if target != 'GL_TEXTURE_FILTER_CONTROL':
+ print ' if (glIsEnabled(%s)) {' % target
+ else:
+ print ' {'
+ print ' json.beginMember("%s");' % target
+ print ' json.beginObject();'
+ self.dump_atoms(glGetTexEnv, target)
+ print ' json.endObject();'
+ print ' }'
+
+ def dump_vertex_attribs(self):
+ print ' GLint max_vertex_attribs = 0;'
+ print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &max_vertex_attribs);'
+ print ' for (GLint index = 0; index < max_vertex_attribs; ++index) {'
+ print ' char name[32];'
+ print ' snprintf(name, sizeof name, "GL_VERTEX_ATTRIB_ARRAY%i", index);'
+ print ' json.beginMember(name);'
+ print ' json.beginObject();'
+ self.dump_atoms(glGetVertexAttrib, 'index')
+ print ' json.endObject();'
+ print ' json.endMember(); // GL_VERTEX_ATTRIB_ARRAYi'
+ print ' }'
+ print
+
+ program_targets = [
+ 'GL_FRAGMENT_PROGRAM_ARB',
+ 'GL_VERTEX_PROGRAM_ARB',
+ ]
+
+ def dump_program_params(self):
+ for target in self.program_targets:
+ print ' if (glIsEnabled(%s)) {' % target
+ print ' json.beginMember("%s");' % target
+ print ' json.beginObject();'
+ self.dump_atoms(glGetProgramARB, target)
+ print ' json.endObject();'
+ print ' }'
+
+ def dump_texture_parameters(self):
+ print ' {'
+ print ' GLint active_texture = GL_TEXTURE0;'
+ print ' glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);'
+ print ' GLint max_texture_coords = 0;'
+ print ' glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
+ print ' GLint max_combined_texture_image_units = 0;'
+ print ' glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &max_combined_texture_image_units);'
+ print ' GLint max_units = std::max(max_combined_texture_image_units, max_texture_coords);'
+ print ' for (GLint unit = 0; unit < max_units; ++unit) {'
+ print ' char name[32];'
+ print ' snprintf(name, sizeof name, "GL_TEXTURE%i", unit);'
+ print ' json.beginMember(name);'
+ print ' glActiveTexture(GL_TEXTURE0 + unit);'
+ print ' json.beginObject();'
+ print ' GLint texture;'
+ print
+ for target, binding in texture_targets:
+ print ' // %s' % target
+ print ' texture = 0;'
+ print ' glGetIntegerv(%s, &texture);' % binding
+ print ' if (glIsEnabled(%s) || texture) {' % target
+ print ' json.beginMember("%s");' % target
+ print ' json.beginObject();'
+ self.dump_atoms(glGetTexParameter, target)
+ # We only dump the first level parameters
+ self.dump_atoms(glGetTexLevelParameter, target, "0")
+ print ' json.endObject();'
+ print ' json.endMember(); // %s' % target
+ print ' }'
+ print
+ print ' json.endObject();'
+ print ' json.endMember(); // GL_TEXTUREi'
+ print ' }'
+ print ' glActiveTexture(active_texture);'
+ print ' }'
+ print
+ def dump_atoms(self, getter, *args):
+ for function, type, count, name in parameters:
+ inflection = getter.inflector.radical + getter.suffix
+ if inflection not in function.split(','):
+ continue
+ if type is X:
+ continue
+ print ' // %s' % name
+ print ' {'
+ type, value = getter(*(args + (name,)))
+ print ' if (glGetError() != GL_NO_ERROR) {'
+ #print ' std::cerr << "warning: %s(%s) failed\\n";' % (inflection, name)
+ print ' } else {'
+ print ' json.beginMember("%s");' % name
+ JsonWriter().visit(type, value)
+ print ' json.endMember();'
+ print ' }'
+ print ' }'
+ print
if __name__ == '__main__':
projects / apitrace / blobdiff